<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div{
				display:inline-block;
				width:20px;
				height:20px;
				border:1px solid gray;
				text-align:center;
			}
			#second{display:none;}
			
		</style>
	</head>
	<body>
		<div id="first">A</div>
		<div id="second">B</div>
		<div id="third">C</div>
	</body>
</html>
